Milltek 80mm OPF/GPF Back Exhaust | BMW G8X M3 M4 - Polished Tips

Description

Milltek OPF/GPF-Back exhaust system with centre resonator bypass for BMW G8X M3 and M4 (late 2018+). Direct factory fitment; OE particulate filter removal required. Hand-finished T304L stainless steel construction with mandrel-bent piping and CNC-formed GT-115 polished trim tips. The OPF/GPF filter reduces emissions but constrains exhaust tone. This system restores the M3/M4 signature character by routing exhaust through a resonator bypass, engineered to recover full-throttle definition while maintaining street-legal operation. Centre-exit configuration preserves OEM aesthetics. No additional hangers or brackets required. • T304L stainless steel, hand-finished • Mandrel-bent pipe work for flow optimization • Centre resonator bypass system • GT-115 polished stainless steel trim tips • OEM+ fitment using factory mounting points • OE particulate filter removal required • BMW G8X M3 (S58 engine) direct fit • BMW G8X M4 (S58 engine) direct fit Engineered to restore the M3/M4's performance tone without compromise to build quality or fitment precision. Fits OE system. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Fits 14 vehicles including:

• 2021 BMW M3— G80 M3 & M3 Competition S58 3.0 Turbo > 2021 and Later
• 2022 BMW M3— G80 M3 & M3 Competition S58 3.0 Turbo > 2021 and Later
• 2023 BMW M3— G80 M3 & M3 Competition S58 3.0 Turbo > 2021 and Later
• 2024 BMW M3— G80 M3 & M3 Competition S58 3.0 Turbo > 2021 and Later
• 2025 BMW M3— G80 M3 & M3 Competition S58 3.0 Turbo > 2021 and Later
• 2026 BMW M3— G80 M3 & M3 Competition S58 3.0 Turbo > 2021 and Later
• + 8 more vehicles